| Designator | Component | Number | Cost per unit -currency | Total cost -currency | Source of materials |
|---|---|---|---|---|---|
| U1-2 | 4 Stage Amplifier Chip | 2 | 0.44 | 0.88 | https://www.digikey.com/en/products/detail/microchip-technology/MCP6004T-I-ST/523078 |
| J2 | Aux Cord Jack | 1 | 1.18 | 1.18 | https://www.digikey.com/en/products/detail/cui-devices/SJ1-3533NG/738701 |
| RV1-4 | 10 k 12 Turn Trim Pot | 4 | 4.16 | 16.64 | https://www.digikey.com/en/products/detail/bourns-inc/3266 W-1-103LF/1087907 |
| R26 | 1206 Packaging 360 Ω Resistor | 1 | 0.10 | 0.10 | https://www.digikey.com/en/products/detail/yageo/AC1206FR-07360RL/5897483 |
| R24-25 | 1206 Packaging 450 Ω Resistor | 2 | 0.10 | 0.20 | https://www.digikey.com/en/products/detail/yageo/RC1206FR-07453RL/728924 |
| R22-23 | 1206 Packaging 600 Ω Resistor | 2 | 0.10 | 0.20 | https://www.digikey.com/en/products/detail/yageo/RC1206FR-07604RL/729038 |
| R20-21 | 1206 Packaging 900 Ω Resistor | 2 | 0.10 | 0.20 | https://www.digikey.com/en/products/detail/yageo/RC1206FR-07909RL/729166 |
| R18-19 | 1206 Packaging 1.8 kΩ Resistor | 2 | 0.10 | 0.20 | https://www.digikey.com/en/products/detail/yageo/RC1206JR-071K8L/729204 |
| R17 | 1206 Packaging 400 Ω Resistor | 1 | 0.10 | 0.10 | https://www.digikey.com/en/products/detail/yageo/RT1206BRD07400RL/5936956 |
| R13-16 | 1206 Packaging 500 Ω Resistor | 4 | 0.10 | 0.40 | https://www.digikey.com/en/products/detail/yageo/RC1206FR-07499RL/728944 |
| R1-12 | 1206 Packaging 1 kΩ Resistor | 12 | 0.10 | 1.20 | https://www.digikey.com/en/products/detail/yageo/RC1206FR-071KL/728387 |
| J3 | Quarter Inch Jack | 1 | 1.58 | 1.58 | https://www.mouser.com/ProductDetail/Neutrik/NMJ6HCD2?qs=ZNZTMDotSRlKYl2qFVJbQA%3D%3D |
| C4-12 | 1206 Packaging 0.1 µF Capacitor | 9 | 0.16 | 1.44 | https://www.digikey.com/en/products/detail/yageo/CC1206KRX7R8BB104/5884627 |
| C3 | 1206 Packaging 10 µF Capacitor | 1 | 0.66 | 0.66 | https://www.digikey.com/en/products/detail/yageo/CC1206KKX5R6BB106/5195344 |
| C1-2 | 1206 Packaging 10 µF Capacitor | 2 | 0.64 | 1.28 | https://www.digikey.com/short/qfrbqfhd |
| A1 | Arduino Nano | 1 | 4.30 | 4.30 | https://www.amazon.com/dp/B08Z7HQ2B6/ |
| J1 | 01x10 Female Header Pins | 1 | 0.79 | 0.79 | https://www.digikey.com/short/23bfwwjh |
| PCB | Circuit Board | 1 | 1.29 | 1.29 | https://pcbshopper.com/ |
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